Free Online Image Annotation Tool
Upload a screenshot or image, then add arrows, rectangles, circles, text labels, mosaic blur, and freehand drawings. Everything happens in your browser — your image never leaves your device.
Drop an image here or click to browse
PNG, JPG, WebP — up to 20MB
Your image stays on your device — nothing is uploaded to any server
Need to Capture Before You Annotate?
Pair this annotation tool with our complete Chromebook screenshot guides. Master keyboard shortcuts, touch gestures, and every capture method ChromeOS offers — then come back here to annotate your captures.
View Screenshot Guides →Related Guides
How to Screenshot on Chromebook — Complete Guide
Master every ChromeOS screenshot method before you annotate your captures.
Chromebook Screenshot Keyboard Shortcuts
Every shortcut combination — full screen, region, window, screen recording.
Take a Partial (Region) Screenshot
Capture just the piece you need with Ctrl + Shift + Show Windows.
Scrolling & Full-Page Screenshots
Capture an entire scrollable webpage with Chrome DevTools or extensions.